Question 899274
x, number of magazines to sell and to be produced
Cost, 1.75*x+40
Revenue, 2.50*x
"make $550 next month" is assumed to mean "profit".


{{{Revenue-Cost=profit}}}
{{{2.5x-(1.75x+40)=550}}}
{{{2.5x-1.75x-40=550}}}
{{{0.75x=590}}}
{{{x=(4/3)590}}}
{{{highlight(x=787)}}}